/*
    https://blog.csdn.net/hanshileiai/article/details/40398177
    &
    http://www.xuanfengge.com/demo/201311/scroll/css3-scroll.html
 */

.scroll-style::-webkit-scrollbar-track {
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    background-color: #F5F5F5;
}

.scroll-style::-webkit-scrollbar {
    width: 12px;
    background-color: #F5F5F5;
}

.scroll-style::-webkit-scrollbar-thumb {
    border-radius: 10px;
    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, .3);
    background-color: #555;
}